(2001-03-29 - 2003-12-31) These data are stream solute samples collected as part of the Mt. Mansfield paired-watershed study, cooperatively supported by the U.S. Geological Survey and the Vermont Monitoring Cooperative. Additional details on the watershed study are available in Wemple, B. C., J. Shanley, J. Denner, D. Ross, and K. Mills. 2007. "Hydrology and water quality in two mountain basins of the northeastern US: assessing baseline conditions and effects of ski area development." Hydrological Processes, DOI: 10.1002/hyp.6700.